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蓄冷材料的氢化反应 被引量:1

The structure change of magnetic regenerator material reacted with hydrogen
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摘要 本文通过X-ray衍射的方法,研究了不同温度下充氢后蓄冷材料HoCu2结构的变化.实验结果表明,室温及423K下充氢,HoCu2相晶格发生膨胀.453K和473K下充氢,样品具有一定的非晶状态.673K下充氢,HoCu2相歧化分解为两相混合物.
机构地区 北京科技大学
出处 《功能材料》 EI CAS CSCD 北大核心 2004年第z1期806-807,共2页 Journal of Functional Materials
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参考文献4

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同被引文献17

  • 1王东,张泽玉,张虎,龙毅,叶荣昌,常永勤.氢化对HoCu_2化合物结构和磁性的影响[J].中国稀土学报,2006,24(1):61-64. 被引量:1
  • 2龙毅,付华,李佛标,等.Er3Ni磁性蓄冷材料研究和在Gifford-Mc-Mahon制冷机上的应用[J].功能材料,1995,26(supp1):260-261.
  • 3Nikitin S A,Verbetsky V N,Ovchenkov E A,et al. Magnetic proper- ties and interaction of Er3 Ni with hydrogen and nitrogen[ J]. Interna- tional Journal of Hydrogen Energy, 1997,22 ( 2 ) : 255-257.
  • 4Nikitin S A,Tristan N V,Palewski T,et al. Metal-semiconductor-insu- lator transitions in R3 Ni compounds induced by hydrogenation [ J ]. Journal of Alloys and Compounds,2001,314(1-2) :22-28.
  • 5Chen G B,Tang K, Huang Y H, et al. Refrigeration performance en- hancement of pulse tube refrigerators with He-H2 mixtures and Er3 NiHx regenerative material[ J]. Cryogenics,2004,44( 11 ) :833-837.
  • 6Jin T, Li C H,Tang K,et al. Hydrogenation-induced variation in crys- tal structure and heat capacity of magnetic regenerative material Er3 Ni [J]. Cryogenics,2011,51(5):214-217.
  • 7Jin T,Li C H,Tang K, et al. Hydrogen absorption characteristics and structural transformation during the hydrogenation process of Er3Ni [ J]. Intermetallics,2013,32 ( 1 ) :162-166.
  • 8Jin T, Li C H, Huang J L, et al. Hydrogenation induced change in structure, magnetic properties and specific heats of magnetic regenera- tive material ErNi and ErNi2 [J]. Materials Transactions, 2013,54 (3) :363-366.
  • 9Zavaliy I Y, Cemy R, Yerbetsky V N, et al. Interaction of hydrogen with RECu2 and RE ( Cu, Ni) 2 intermetallic compounds ( RE = Y, Pr, Dy,Ho) [ J ]. Journal of Alloys and Compounds, 2003,358 ( 1-2 ) : 146-151.
  • 10Shashikala K, Benerjee S, Kulkarni R,et al. Hydrogenation of HoCu : Hydride formation and magnetic properties[J]. Journal of Alloys and Compounds,2009,467 (1-2) :10-13.

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